Steam-pump



(No Model.)

P. BROWN, T. .PARFERY 8a A. HEALY.

sTEAM PUMP.

No. 264,134. Patented Sept. 12, 1882.-

Wtnesscs: I nveniors:

N, PETERS. Hula-Uflwmphcn wamin mn, D. c.

UNITED STATES PATENT OFFICE.

PATRICK BROWN, TIMOTHY PARFERY, AND ANTHONY HEALY, OF SOBAN- 'TON, PENNSYLVANIA.

STEAM-PUMP.

SPECIFICATION forming part of Letters Patent No. 264,134, dated September 12, 1882.

Application filed July 10, 1es2. (No model.)

To all whom it may concern:

, Be it known that we, PATRICK BROWN, TIM- OTHY PARFERY, and ANTHONY HEALY, all of Scranton, in the county of Lackawannaand 5 State of Pennsylvania, have invented certain new and useful Improvements in Steam- Pumps; and we do hereby declare the following to be afull, clear, and exact description of the same, reference being bad to the accompa- IO nying drawm g, forming part of this specification, in which the figure is a diagram view, showing the arrangement of" our invention.

In steam-pumps used in mines it is often necessary to carry the steam in pipes a long distance before it enters the steam-chest ot'the pump, and the action of the cool air of the mines upon the conveying-pipes condenses the steam to a great extent. Also, in disposing of the exhaust-steam a great difliculty is encoun- 2o tered. By exhausting thesteam directlyinto the air the atmosphere of the mines is much heated and dampened, to the great discomfort and serious injury to the health of the workmen. By the use of pipes conveying the exhaust to the open air the same trouble is found.

The object ofour invention is to provide means for disposing of the drip from the induction-pipe before it enters the steam-chest of the pump by conducting it into the suction- 0 pipeof the pump,and todisposeof theexhauststeam by also conducting it into the suction pipe of the pump.

Having stated the object ofour invention,

we will nowproceed to describe the means for 5 carrying it into effect.

A is the steam-conducting pipe, opening into the pipeB at thejoint or below the level of the induction-port, one portion of the pipe B extending upward to the elbow b and serving as 0 'a continuation of the conductingpipe and opening into the induction-pipe O, which pipe 0 is provided with a valve, 0, the other portion of the pipe B extending downward andforming a drippipe, and is provided with a valve,

5 a, said pipe B being elbowed at the point e and again at the point e, and opening at the point 0 into the pipe E.

D is the exhaust-pipe elbowed at the point d, and extending downward to the point cl,

and there opening into the pipe D, and hav- I ing a portion opening into the air and provided with a valve, 01 the pipe D having a valve,

d and opening at thejoint 0 into the pipe E, whichpipe E extends upward into the suctionpipe E, said pipe E being about half the size of the suction-pipe of the pump and allowing I the free passage of water around it, and opening into said suction-pipe E at a point above the. elbow d in said suction-pipe.

The operation of the pump is as follows: The water ofcondensation from the steam, coming through the steam-conducting pipeA,fiows into the drip-pipe B, and is carried downward through the extensions of the pipe B, and is drawn by the action of the pump into the extension exhaust-pipe E, and from thence into the suction pipe of the pump, the exhauststeambeing carried from the steam chest through the exhaust-pipe D, and the extension Dinto the farther extension E, and from thence into the suction-pipe of the pump, and thus preventing the escape of the exhaust-steam into the air of the mines, the valve 01- being only opened when it is desired to allow the steam to escape into the air.

Having thus described our invention, we claim as newl. The combination of the conducting-pipe A, opening into the drip pipeB at a point helowthe level of the induction-port, with the upward extension pipe B, openinginto the induction-pipe, substantially as described.

2. The combination of the exhaust-pipe D and extensions D and E, provided with "alves and opening into the suction-pipe of a pump, substantially as described.

3. The combination of the conducting-pipe A, the drip-pipe B, and extensions opening .into the suction-pipe of the pump, and the exhaust-pipe D and extensions opening into the said suction-pipe, substantially as described.

PATRICK BROWN. TIMOTHY PARFEBY.

mark.

Witnesses:

O. B. PARTRIDGE, DUNCAN WRIGHT. 

